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A. Penland
A. Penland, Ford Senior Master Technician, ASE
Category: Ford
Satisfied Customers: 6212
Experience:  ASE Master Certified, ASE Advanced Gasoline Engine Performance
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98 ford windstar.. Interm ABS light.. always on Brake light

Customer Question

98 ford windstar..
Interm ABS light.. always on Brake light
Checked fluids, bulbs in rear, etc
Submitted: 1 year ago.
Category: Ford
Customer: replied 1 year ago.
I've also checked the handbrake switch
plenty of front pads remaining
Customer: replied 1 year ago.
No other symptoms for the brakes... working fine
Emissions testing in Colorado will not do emissions due to E Brake light being on constantly
Expert:  A. Penland replied 1 year ago.

Have the ABS system tested for trouble codes and post them on this page. As for the red brake light, check and see if the float inside the brake master cylinder is floating and not sunk to the bottom which will cause the light to come on.

Customer: replied 1 year ago.
Thanks
But, I put my finger in the hole...
That is to say, I tried to feel for a float in the Master Cylinder reservoir and felt nothing but another hole at the bottom.
I thought the sensor at the bottom read weight or pressure of the contained fluid...
Must I remove the Master cylinder to determine if the float is broken or has fallen off?
Agian... no sign of a float..
Customer: replied 1 year ago.
Note: Mostly interested in resolving the "ON" brake light.
Thanks
Todd
Expert:  A. Penland replied 1 year ago.

The float free floats. It informs the instrument cluster and ABS module the level of the brake fluid in the reservoir. If you pushed your finger into the hole is it went to the bottom, the float is at the bottom and that will cause the red brake light to come on.

Customer: replied 1 year ago.
bot***** *****ne... I have to remove the reservoir to verify proper float operation?
That's a bitch to get to on that Windstar :(
Expert:  A. Penland replied 1 year ago.

If you have a small mirror and a flash light, you can look into the opening and see if the float is up.

It should be right at the top of the fluid.

Other wise, I know it is tight. You can unbolt it and lave the lines attached and pull it from under the wiper cowl panel and see if the float is up.

Customer: replied 1 year ago.
Is there a link somewhere of an image (blown apart construction) ?? of the reservoir? That would be most helpful :)
Thanks
PS... I hope I'm not exceeding my $28 with all the questions :)
Expert:  A. Penland replied 1 year ago.

No, you fine with the questions. That is why we are here.

Ford has no pictures of the master cylinder blown apart.

Customer: replied 1 year ago.
OK Thanks
Customer: replied 1 year ago.
I'll try to do this tomorrow
Just had a steak and shrimp and a couple of shots,,, time to relax :)
Expert:  A. Penland replied 1 year ago.

No problem. Just reply back when your ready.